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PHP strlen() Function

Last Updated : 05 Sep, 2024
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The strlen() is a built-in function in PHP which returns the length of a given string.

It calculates the length of the string including all the whitespaces and special characters. 

Syntax:

strlen($string);

Parameters:

This parameter represents the string whose length is needed to be returned. 

Return Value:

The function returns the length of the $string including all the whitespaces and special characters. 

Example 1: The below example demonstrates the use of the strlen() function in PHP.

PHP 
<?php  // PHP program to find the // length of a given string $str = "GeeksforGeeks";  // prints the length of the string // including the space echo strlen($str);  ?>

Output:

13

Example 2: This example demonstrates the use of the strlen() function where the string has special characters and escape sequences.

PHP 
<?php  // PHP program to find the // length of a given string which has // special characters $str = "\n GeeksforGeeks Learning;";  // here '\n' has been counted as 1 echo strlen($str);  ?>

Output:

25

PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.


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PHP strnatcasecmp() Function

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ChetnaAgarwal
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Article Tags :
  • PHP
  • Web Technologies
  • PHP-function
  • PHP-string

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